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Posted by on August 27, 2008, 11:06 pm
wrote:
>>I need to assemble a cold plate system for a marine freezer for the boat I
>>am building. I have purchased 3 used cold plates aproximately 18" x 24" x
>>4" that appear to be in good condition. They all have evaporator valves
>>with them. I am aware that I must change the medium inside the cold plates
>>for the freezer application. I have no experience with refrigeration
>>systems, so I will need a lot of help. The goal is to freeze down the
>>plates once every 24 hours or more. The heat load will vary widely in this
>>application. I will need an evaporation temperature around -40 for the
>>medium I wish to use. I would like to also use a raw water cooled condensor
>>for space reasons. I also want to mount the machinery in the engine space
>>which is physically separated from the evaporators by about 20'. I need
>>help in sizing/choosing the compressor, the accumulator and the refrigerant
>>at least.. Should I use a controller, unique valving or other components
>>that I have not mentioned? Could the system be designed to be self
>>regulating? It would be better if I do the machinery installation, as I
>>know the boat, but I will have the system professionally charged and
>>tested. I know no one with this experience, so any advice is welcome.
>>Effectively, I am looking for a reliable design.
>> Thanks in advance,
>> Steve
>The plates you have sound like "DOLE" plates with holdover fluid and seem
>pretty small for a freezer on a commercial fishing boat. Basing your system
>to match some plates that you got is not a good start to sizing your
>equipment. Start with the size of the hold and the pounds of fish at a
>certain temperature(water temp) and the length of time you need to bring
>them down to -40 C.or F.
Bwahahahahaha !!! :-) - 40 ???? Uh huh :-)
Besides, Dole plates are only for pineapples.
>A Carlyle (Carrier) O5G or O5K is quite capable of achieving this
>temperature using R 404 or 507 if sized to match the condenser (cupro-nickel
>or titanium) and the hold is well insulated with aluminium plates such as
>these.
>www.gunthela.com/catalogue.html You are going to need help with this
>project.
And you evince a marvelous grasp of the obvious :-)
--
Click here every day to feed an animal that needs you today !!!
www.theanimalrescuesite.com/
Paul ( pjm @ pobox . com ) - remove spaces to email me
'Some days, it's just not worth chewing through the restraints.'
'With sufficient thrust, pigs fly just fine.'
HVAC/R program for Palm PDA's
Free demo online at www.pmilligan.net/palm/
Free 'People finder' program now at www.pmilligan.net/finder.htm
|
|
Posted by kool on August 28, 2008, 11:26 am
> wrote:
>>>I need to assemble a cold plate system for a marine freezer for the boat
>>>I
>>>am building. I have purchased 3 used cold plates aproximately 18" x 24" x
>>>4" that appear to be in good condition. They all have evaporator valves
>>>with them. I am aware that I must change the medium inside the cold
>>>plates
>>>for the freezer application. I have no experience with refrigeration
>>>systems, so I will need a lot of help. The goal is to freeze down the
>>>plates once every 24 hours or more. The heat load will vary widely in
>>>this
>>>application. I will need an evaporation temperature around -40 for the
>>>medium I wish to use. I would like to also use a raw water cooled
>>>condensor
>>>for space reasons. I also want to mount the machinery in the engine space
>>>which is physically separated from the evaporators by about 20'. I need
>>>help in sizing/choosing the compressor, the accumulator and the
>>>refrigerant
>>>at least.. Should I use a controller, unique valving or other components
>>>that I have not mentioned? Could the system be designed to be self
>>>regulating? It would be better if I do the machinery installation, as I
>>>know the boat, but I will have the system professionally charged and
>>>tested. I know no one with this experience, so any advice is welcome.
>>>Effectively, I am looking for a reliable design.
>>> Thanks in advance,
>>> Steve
>>The plates you have sound like "DOLE" plates with holdover fluid and seem
>>pretty small for a freezer on a commercial fishing boat. Basing your
>>system
>>to match some plates that you got is not a good start to sizing your
>>equipment. Start with the size of the hold and the pounds of fish at a
>>certain temperature(water temp) and the length of time you need to bring
>>them down to -40 C.or F.
> Bwahahahahaha !!! :-) - 40 ???? Uh huh :-
-40f maybe, but -40c is a lot harder.
> Besides, Dole plates are only for pineapples.
They are also used for bananas.
>>A Carlyle (Carrier) O5G or O5K is quite capable of achieving this
>>temperature using R 404 or 507 if sized to match the condenser
>>(cupro-nickel
>>or titanium) and the hold is well insulated with aluminium plates such as
>>these.
>>www.gunthela.com/catalogue.html You are going to need help with this
>>project.
> And you evince a marvelous grasp of the obvious :-)
Is evince a real word or did you make that one up?
> --
> Click here every day to feed an animal that needs you today !!!
> www.theanimalrescuesite.com/
> Paul ( pjm @ pobox . com ) - remove spaces to email me
> 'Some days, it's just not worth chewing through the restraints.'
> 'With sufficient thrust, pigs fly just fine.'
> HVAC/R program for Palm PDA's
> Free demo online at www.pmilligan.net/palm/
> Free 'People finder' program now at www.pmilligan.net/finder.htm
|
|
Posted by on August 28, 2008, 11:39 am
wrote:
>>>The plates you have sound like "DOLE" plates with holdover fluid and seem
>>>pretty small for a freezer on a commercial fishing boat. Basing your
>>>system
>>>to match some plates that you got is not a good start to sizing your
>>>equipment. Start with the size of the hold and the pounds of fish at a
>>>certain temperature(water temp) and the length of time you need to bring
>>>them down to -40 C.or F.
>> Bwahahahahaha !!! :-) - 40 ???? Uh huh :-
>-40f maybe, but -40c is a lot harder.
If you say so :-)
>> Besides, Dole plates are only for pineapples.
>They are also used for bananas.
My bad. Senators from Kansas or North Carolina, too.
>>>A Carlyle (Carrier) O5G or O5K is quite capable of achieving this
>>>temperature using R 404 or 507 if sized to match the condenser
>>>(cupro-nickel
>>>or titanium) and the hold is well insulated with aluminium plates such as
>>>these.
>>>www.gunthela.com/catalogue.html You are going to need help with this
>>>project.
>> And you evince a marvelous grasp of the obvious :-)
>Is evince a real word or did you make that one up?
Yep.
--
Click here every day to feed an animal that needs you today !!!
www.theanimalrescuesite.com/
Paul ( pjm @ pobox . com ) - remove spaces to email me
'Some days, it's just not worth chewing through the restraints.'
'With sufficient thrust, pigs fly just fine.'
HVAC/R program for Palm PDA's
Free demo online at www.pmilligan.net/palm/
Free 'People finder' program now at www.pmilligan.net/finder.htm
|
|
Posted by kool on August 28, 2008, 4:06 pm
> wrote:
>>>>The plates you have sound like "DOLE" plates with holdover fluid and
>>>>seem
>>>>pretty small for a freezer on a commercial fishing boat. Basing your
>>>>system
>>>>to match some plates that you got is not a good start to sizing your
>>>>equipment. Start with the size of the hold and the pounds of fish at a
>>>>certain temperature(water temp) and the length of time you need to bring
>>>>them down to -40 C.or F.
>>> Bwahahahahaha !!! :-) - 40 ???? Uh huh :-
>>-40f maybe, but -40c is a lot harder.
> If you say so :-)
Seriously, don't skoff at -40 hold temp. on a freezer boat, it's done all
the time. These systems run about -50f SST.at 1 or 2# SP... you southern
hvacian! (-;
>>> Besides, Dole plates are only for pineapples.
>>They are also used for bananas.
> My bad. Senators from Kansas or North Carolina, too.
>>>>A Carlyle (Carrier) O5G or O5K is quite capable of achieving this
>>>>temperature using R 404 or 507 if sized to match the condenser
>>>>(cupro-nickel
>>>>or titanium) and the hold is well insulated with aluminium plates such
>>>>as
>>>>these.
>>>>www.gunthela.com/catalogue.html You are going to need help with this
>>>>project.
>>> And you evince a marvelous grasp of the obvious :-)
>>Is evince a real word or did you make that one up?
> Yep.
> --
> Click here every day to feed an animal that needs you today !!!
> www.theanimalrescuesite.com/
> Paul ( pjm @ pobox . com ) - remove spaces to email me
> 'Some days, it's just not worth chewing through the restraints.'
> 'With sufficient thrust, pigs fly just fine.'
> HVAC/R program for Palm PDA's
> Free demo online at www.pmilligan.net/palm/
> Free 'People finder' program now at www.pmilligan.net/finder.htm
|
|
Posted by on August 28, 2008, 4:39 pm
wrote:
>> wrote:
>>>>>The plates you have sound like "DOLE" plates with holdover fluid and
>>>>>seem
>>>>>pretty small for a freezer on a commercial fishing boat. Basing your
>>>>>system
>>>>>to match some plates that you got is not a good start to sizing your
>>>>>equipment. Start with the size of the hold and the pounds of fish at a
>>>>>certain temperature(water temp) and the length of time you need to bring
>>>>>them down to -40 C.or F.
>>>> Bwahahahahaha !!! :-) - 40 ???? Uh huh :-
>>>-40f maybe, but -40c is a lot harder.
>> If you say so :-)
>Seriously, don't skoff at -40 hold temp. on a freezer boat, it's done all
>the time. These systems run about -50f SST.at 1 or 2# SP... you southern
>hvacian! (-;
I was scoffin at '-40f maybe, but -40c is a lot harder.' :-)
--
Click here every day to feed an animal that needs you today !!!
www.theanimalrescuesite.com/
Paul ( pjm @ pobox . com ) - remove spaces to email me
'Some days, it's just not worth chewing through the restraints.'
'With sufficient thrust, pigs fly just fine.'
HVAC/R program for Palm PDA's
Free demo online at www.pmilligan.net/palm/
Free 'People finder' program now at www.pmilligan.net/finder.htm
|
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>>am building. I have purchased 3 used cold plates aproximately 18" x 24" x
>>4" that appear to be in good condition. They all have evaporator valves
>>with them. I am aware that I must change the medium inside the cold plates
>>for the freezer application. I have no experience with refrigeration
>>systems, so I will need a lot of help. The goal is to freeze down the
>>plates once every 24 hours or more. The heat load will vary widely in this
>>application. I will need an evaporation temperature around -40 for the
>>medium I wish to use. I would like to also use a raw water cooled condensor
>>for space reasons. I also want to mount the machinery in the engine space
>>which is physically separated from the evaporators by about 20'. I need
>>help in sizing/choosing the compressor, the accumulator and the refrigerant
>>at least.. Should I use a controller, unique valving or other components
>>that I have not mentioned? Could the system be designed to be self
>>regulating? It would be better if I do the machinery installation, as I
>>know the boat, but I will have the system professionally charged and
>>tested. I know no one with this experience, so any advice is welcome.
>>Effectively, I am looking for a reliable design.
>> Thanks in advance,
>> Steve